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What is the difference between Polymers and Plastics?

April 26, 2017plastics polymers

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What is the difference between Polymers and Plastics?

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Ans.Most Polymers need some additives before they can be used as plastics. The proportion of additives can vary from as low as 300 ppm (0.03%) (Oleamide in LDPE) to as high as 75% (Plasticisers in PVC). Some other materials when compounded with polymers change their properties substantially. In fact, at times they have properties markedly different from those of either the polymer or additives e.g. Carbon fibre reinforced nylon/polyurethane fibre reinforced polyester resins. Talc in the thermoplastic polyester.